Substation transformer


  • Primary Voltage Ratings: 2.4kV/4.16kV/4.8kV/6.9kV/7.2kV/12kV/12.47kV/13.2kV/13.8kV/23kV/34.5kV/44kV
  • Secondary Voltage Ratings: 208Y/240/480/600/2400/4160Y/4800/12000/12470/13200/13800
  • TYPE: Oil immersed
  • BIL: 95

Daelim's substation transformers are oil-filled and hermetically sealed. High voltages up to 44kV, Ratings up to 15MVA. These types of transformers are components of partable substations and are connected to high and low-voltage switchgear. They are widely used in areas where power distribution is required, such as residential, commercial, and industrial developments.


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Description


Substation Transformer Specification

kVA Height Wide Deth Total Weight(lb)
750 90 50 60 6400
1000 90 60 70 7300
1500 95 60 75 9500
2000 95 65 75 11400
2500 95 65 80 13100
3000 100 70 90 15800
3750 105 70 90 18200
5000 105 75 95 22000
7500 120 80 110 29000
10000 130 80 135 32800
12000 130 85 135 38200
15000 130 130 135 70000

 

Standard Features Optional Features

·Type I insulating mineral oil

·60 Hertz operation

·65°C average winding rise

·Top/Side-mounted bushings

·HV /LV flange connections

·Stainless steel nameplate

·ANSI 61 paint finish, 5 mils thick

·Pressure test valve

·ANSI grounding pad

·Pressure-vacuum gauge

·Top filter press connections

·Liquid level gauge

·Liquid temperature gauge

·Provisions for jacking and lifting

·NEMA two-hole ground pads

·Panel-type radiators as required.

·Drain/filter valve with sampling device

·Base suitable for rolling and skidding

·Dial-type thermometer with maximum indicating hand

·Externally operated de-energized tap changer providing

(2) 2½% full-capacity taps above and below nominal

 

·55/65°C average winding rise

·Forced air cooling

·Future fan wiring and control

·Removable radiators

·Pressure relief device

·Winding temperature indicator

·Devices with alarm contacts

·Top filter press valve

·HV lightning arresters in ATC

·Current transformers

·Stress cones

·Special impedances

·Low loss

·Special ambient

·Special/low sound level

·50 Hertz

·Retrofit to specific dimensions

·Neutral grounding resistor

·Rapid rise pressure relay, cover mounted

·HV & LV air terminal compartments

·Tertiary windings for Wye-Wye connections

·6, 12, 18, and 24 pulse drives applications

·Non-standard loading conditions (i.e. Harmonics/K-factor)

 

Tests Dalelim's advantage

Routine tests include:

• Resistance tests of all windings

• Ratio tests on the rated voltage and all tap connections

• Polarity and phase relation tests at rated voltage

• No load loss at rated voltage

• Exciting current at rated voltage

• Impedance and load losses

• Applied voltage test

• Induced voltage test

• Full wave impulse test

Provide customized solutions;
Flexible and professional team;
Respond quickly to requests;
Meet ANSI/IEC/CSA standards;
Complies with DOE efficiency values;
UL listed;
Short delivery time;
20 years of transformer export experience;

 

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